# Calculate : the Number of Moles in 12g of Oxygen Gas.O = 16 - Chemistry

Sum

Calculate :
The number of moles in 12g of oxygen gas. [O = 16]

#### Solution

"Mole" = "Mass"/"molar" = 12/16 = 0.75  "mole"

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#### APPEARS IN

Selina Concise Chemistry Class 10 ICSE
Chapter 5 Mole concept and Stoichiometry
Exercise 5B | Q 14.3 | Page 84